USAP Black Island site lat/lon = (-78.1274,166.1499) cell lat/lon = (-78.1279,166.1590) Forecast initialized at 2026-10-16/12 UTC MPAS cell scale: 0.9 km FCST UTC UTC T Td Altim Spd Gust Dir Grid VVV RH1RH2RH3 T1T2T3 ACCUM HR DAY HR (C) (C) (in Hg)(kts)(kts)(deg)(deg) (*) (% wrt water) (C) (*) 0 16 12 -25.8 -28.7 29.06 2 3 288 94 000 96 73 90 -18-15-15 000 1 16 13 -22.7 -24.1 29.05 3 4 308 114 -002 96 75 93 -16-14-14 000 2 16 14 -25.7 -25.7 29.02 8 9 24 191 -009 107 71108 -15-13-13 000 3 16 15 -25.1 -25.3 28.99 9 11 33 199 -003 94 68 98 -14-13-14 000 4 16 16 -21.9 -25.4 29.00 4 7 6 173 010 79 73103 -14-15-15 000 5 16 17 -21.3 -24.5 28.98 5 8 331 137 -002 82 71103 -14-15-15 000 6 16 18 -20.3 -24.8 28.97 2 4 283 89 004 71 71 98 -14-15-15 000 7 16 19 -19.6 -23.5 28.95 2 7 288 94 000 76 67 90 -14-13-13 000 8 16 20 -19.5 -23.8 28.93 2 4 301 107 031 76 68 77 -14-13-13 000 9 16 21 -17.8 -24.6 28.94 5 8 290 97 006 59 55 76 -14-14-14 000 10 16 22 -16.3 -22.4 28.92 3 7 297 103 -003 65 70 67 -13-13-14 000 11 16 23 -15.6 -22.1 28.88 5 26 216 22 027 62 58 68 -11-12-12 000 12 17 00 -12.6 -20.4 28.86 16 27 188 354 030 58 64 63 -11-12-12 000 13 17 01 -15.8 -21.5 28.87 8 20 229 35 011 71 59 67 -12-11-12 000 14 17 02 -15.8 -22.2 28.85 4 15 270 76 008 67 64 73 -12-12-12 000 15 17 03 -14.3 -20.5 28.83 1 9 358 164 006 66 64 80 -13-12-12 000 16 17 04 -14.4 -20.2 28.81 3 6 49 215 010 66 66 80 -13-13-13 000 17 17 05 -14.9 -20.4 28.81 2 11 143 309 -011 69 76 72 -14-15-15 000 18 17 06 -16.9 -21.0 28.80 7 14 183 349 000 74 67 89 -14-15-15 000 19 17 07 -16.9 -21.6 28.77 12 24 192 358 008 74 62 87 -14-14-14 000 20 17 08 -14.9 -22.8 28.76 18 27 161 327 005 56 71 88 -14-15-15 000 21 17 09 -14.3 -23.8 28.73 25 29 176 342 007 49 76 80 -13-14-14 000 22 17 10 -14.7 -23.7 28.71 28 36 184 350 024 51 67 67 -14-14-14 000 23 17 11 -13.8 -23.1 28.69 29 35 177 344 005 50 65 66 -14-14-15 000 24 17 12 -13.2 -24.8 28.68 29 40 173 340 000 41 39 53 -13-13-14 000 25 17 13 -12.7 -24.4 28.67 25 37 170 336 -039 40 47 67 -12-13-14 000 26 17 14 -12.6 -22.7 28.65 22 33 172 338 005 47 56 86 -12-13-14 000 27 17 15 -14.5 -20.3 28.65 4 8 261 67 -001 65 66 89 -13-14-14 000 28 17 16 -15.5 -20.7 28.64 9 15 292 98 -021 71 71 91 -13-13-13 000 29 17 17 -15.5 -20.5 28.63 9 14 298 104 -014 74 78 89 -13-14-14 000 30 17 18 -16.5 -19.0 28.60 7 9 350 156 -011 94 84 92 -12-13-14 001 31 17 19 -15.8 -19.0 28.58 6 10 1 167 000 85 91 90 -12-13-13 002 32 17 20 -15.9 -18.0 28.57 8 11 304 110 -011 94 77 94 -12-12-13 000 33 17 21 -15.6 -17.1 28.55 9 17 282 88 -015 97 75 80 -12-12-12 000 34 17 22 -14.4 -14.7 28.53 5 31 324 130 -010 99 75 82 -11-11-12 000 35 17 23 -13.8 -14.0 28.52 10 30 297 103 003 107 67 92 -10-11-11 000 36 18 00 -13.1 -13.7 28.51 9 29 246 52 017 104 68 93 -10-10-11 000 37 18 01 -8.5 -15.0 28.50 24 32 199 5 -014 64 67 74 -9-10-11 000 38 18 02 -8.0 -14.1 28.49 37 44 180 346 -076 66 56 72 -8 -9-10 001 39 18 03 -8.6 -11.7 28.48 43 54 175 341 -020 84 56 72 -8 -9-10 003 * NOTES on units: VVV (vertical velocity) is given as tenths of a microbar per second at 700 hPa, with positive values indicating upward motion; ACCUM (accumulated precipitation, past 3h) is given as hundredths of a millimeter; RH1, RH2, and RH3 are the % RH at the surface, 1000', and 3000', respectively; T1, T2, and T3 are the temperatures at 500', 1000', and 1500', respectively. Gust is estimated according to the NCEP HRRR gust algorithm.